utils/json: Replace OkJson with Ruby's core JSON.

Removes OkJson from vendor/, as Ruby has included its own JSON
parser in corelib since 1.9.x and Homebrew is now guaranteed to be
running on 2.x+.

1 files changed, 4 insertions, 4 deletions

diff --git a/Library/Homebrew/utils/json.rb b/Library/Homebrew/utils/json.rb
index 19d32a1e1..21c5b52b0 100644
--- a/Library/Homebrew/utils/json.rb
+++ b/Library/Homebrew/utils/json.rb
@@ -1,4 +1,4 @@
-require "vendor/okjson"
+require "json"
 
 module Utils
   module JSON
@@ -7,13 +7,13 @@ module Utils
     Error = Class.new(StandardError)
 
     def load(str)
-      Vendor::OkJson.decode(str)
-    rescue Vendor::OkJson::Error => e
+      ::JSON.load(str)
+    rescue ::JSON::ParserError => e
       raise Error, e.message
     end
 
     def dump(obj)
-      Vendor::OkJson.encode(stringify_keys(obj))
+      ::JSON.generate(obj)
     end
 
     def stringify_keys(obj)